28722020 (number)

28722020 is an even 8-digits composite number following 28722019 and preceding 28722021. In scientific notation, it is written as 2.8722020 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 11488800 positive integers (up to 28722020) that are relatively prime to 28722020.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred twenty-two thousand twenty

Notation

Scientific notation 2.8722020 × 10^7
Engineering notation 2.8722020 × 10^6

Prime Factorization of 28722020

Prime Factorization 2 × 2 × 5 × 1436101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14361010
Product of the distinct prime numbers

The prime factorization of 28722020 is 2 × 2 × 5 × 1436101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 49, 91, 314, 558, 8327, 6689, 31424, 70362, 261276, 575574, 3177557, 8448721, 923546, 76455250, 49167781, 307689575, 3342250120, 6791974139

Basic calculations (n = 28722020)

Multiplication

n×y
n×2 57444040
n×3 86166060
n×4 114888080
n×5 143610100

Division

n÷y
n÷2 14361010
n÷3 9574006.6666667
n÷3 7180505
n÷5 5744404

Exponentiation

ny
n2 824954432880400
n3 2.369435772028E+22
n4 6.8054981632902E+29
n5 1.9546765435599E+37

Nth Root

y√n
2√n 5359.2928638021
3√n 306.24687099399
4√n 73.20719133939
5√n 31.020085895683

Divisors of 28722020

1, 2, 4, 5, 10, 20, 1436101, 2872202, 5744404, 7180505, 14361010, 28722020

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28722019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28722020 can be divided by 12 positive divisors. The sum of these divisors (counting 28722020) is 1, the average is 0.083333333333333.

Base conversion 28722020

Base System Value
2 Binary 1101101100100001101100100
3 Ternary 2000001020012112
4 Quaternary 1231210031210
5 Quinary 24323101040
6 Senary 2503340152
8 Octal 155441544
10 Decimal 28722020
12 Duodecimal 9751658
16 Hexadecimal 1b64364
20 Vigesimal 8ja510
36 Base36 h3m1w

Cryptographic Hash Functions

md5 05c1a02afc7f45985e6c22a2b28c03af
sha1 0ee682160e4e9adeb0d2b9578b7c41a56ba2b630
sha256 1cf4bd2003ab79a909fde7e7351bc8fbeb78e72b0831de207b26cd3cfd983f7a
sha512 5f4059070ffeab8d5a0b857973616448a214e3645c32202f371b882103730ee09d5d80fcff9d37c6127de775555140d26570197a8459d4a25858fcf417bce8bd
ripemd-160 3035ad0bbf60d16b0dc0dea174d87dd56be1a4db

28722020 as geometric shapes

Circle

Radius = n
Diameter 57444040
Circumference 180465774.05652
Area 2.5916707858834E+15

Sphere

Radius = n
Volume 9.9250693527412E+22
Surface area 1.0366683143534E+16
Circumference 180465774.05652

Square

Length = n
Perimeter 114888080
Area 824954432880400
Diagonal 40619070.222751

Cube

Length = n
Surface area 4949726597282400
Volume 2.369435772028E+22
Space diagonal 49747997.936009

Equilateral Triangle

Length = n
Perimeter 86166060
Area 3.5721574791951E+14
Altitude 24873998.968005

Triangular Pyramid

Length = n
Surface area 3.5721574791951E+14
Volume 2.7924068366449E+21
Height 13539690.07425